说明

参数

返回值

范例

Example #1 Example use of posix_getpgid()

<?php$pid = posix_getppid();echo posix_getpgid($pid); //35?>

注释

Note:

This is a not POSIX function, but is common on BSD and System V
systems. If the system does not support this function, then it
will not be included at compile time. This may be checked with
function_exists().